冀教版英语八年级下Unit 4 The Internet Connects Us Lesson 21 Books or Computers? 课件(共16张PPT)

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《Lesson 21：
Books or Computers》


Lead in:

Do you know the Four Great Old Chinese Inventions?(中国古代四大发明)

If you know, please tell us what they are .


compass
gunpowder


printing





paper

毕昇
蔡伦


















Find out :
Compass,gunpowder,printing and paper are the Four Great Inventions in Ancient China. Compass can make a boat go in its correct direction. Gunpowder can be uesd not only in gun(枪) but aslo in firework(烟火). Because of Bi Sheng's way of printing , we can have more and more books to read. With the help of Cai Lun , we can use paper to write what we think and what we see in the wonderful world .
Let's feel proud of CHINESE!

Self---learning:
Read the lesson and put these sentences into the correct order.
Task 1: Fill in the new words.
Task 2: Find out the key phrases.

1.pass on ...by ...
2.the printing press
3.change one's reading habbit
4.keep on (doing) sth.
5.download sth.from the Internet
从网上下载......
反义:upload sth. to the Internet
将......上传到网上


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6. have many ways to do sth.
7. no matter what/how /when...
8. a new kind of book
9. an e-reader
10. sell sth. online
11. print books
12. by hand
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Task 3 : Find out the key sentences .

1.It took a long time to write a book.
It takes sb. some time to do sth.
=sb. spend some time on sth. / doing sth.
= sb. need some time to do sth.
eg. It takes me 30 minutes to walk to school every day.
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2. The modern printing pressing makes it possible to print books quickly.
sth./sb. make +it +adj. + 动词不定时 ：某人 或某物使干某事变得......
eg. E-books can make it easier and faster for common people to read more books.
3. With e-books,Information travels faster and farther.
travel faster and farther: 传播（旅行）得更 快更远
eg. A plane can travel / go faster and farther than a bus.

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4. No matter what you have , keep on reading !
No matter +what /how /when...+ 主句 ：无论什么/怎样/何时，......
eg.(1) No matter where you go, I will go with you !
(2) No matter how you do it ,I will agree with you!
keep on doing sth. 继续干某事
eg. Keep on reading , you'll remember !
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5.It is +adj. +for sb. +to do sth.对某人来说干….怎么样？
Choose the best one.
1.In ancient time, people passed___their knowledge ___telling stories.
A. to /with B. by/ by C. on/ by D. on/with
2.____paper,it is possible for people____
down their ideals.
A. On/write B.With/to write
C. With/writing D.By /to write
3.Light __________than sound.
A. go faster B. travel faster
C. goes fast D. travels faster
4. I_____ 2 hours_____my homework last night.
A.spend/on B.spent / in
C.took/ to do D.spent /doing









一句多译：
我每天花一小时做运动。
I ______an hour ______sports every day.
= It _____me an hour_________spotrs
every day.
= I need___hour ______sports every day.
现在人们有许多读书的好方法。
Now people have many good ways to_______ books.
=Now people have many good ways of______ books.


Thank you